<div dir="ltr"><div class="gmail_default" style="font-size:small">Robert,</div><div class="gmail_default" style="font-size:small"> A bug was introduced into wgrib2's import_ieee routine when it was</div><div class="gmail_default" style="font-size:small">parallelized to make it faster. This broke <a href="http://g2grb.gs">g2grb.gs</a> which uses -import_ieee.</div><div class="gmail_default" style="font-size:small">A fix for intel/amd cpus is to edit <a href="http://g2grb.gs">g2grb.gs</a></div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">old: 'set fwrite -sq -be ' filetmp<br>new: 'set fwrite -sq -le ' filetmp<br></div><div class="gmail_default" style="font-size:small">Change -import_ieee to -import_bin in two lines.</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">It's not portable to big_endian machines but it is faster. The -import_ieee</div><div class="gmail_default" style="font-size:small">fix will be in the next release.</div><div class="gmail_default" style="font-size:small">Wesley</div><div class="gmail_default" style="font-size:small"> </div><div class="gmail_default" style="font-size:small"><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Nov 22, 2024 at 10:01 AM Robert Mulloy <<a href="mailto:Robert.Mulloy@calpine.com">Robert.Mulloy@calpine.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class="msg8675959354152539530">
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Hi Grads User List I'm looking for some help with g2grb. </div>
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I am trying to save 500mb height anomaly fields to a grib file and I've tried the following g2grb commands and all of the files are empty. The script runs w/out issue; the output from the runs are below. </div>
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Am I looking for the wrong variable? The input files are 500mb fields with one field being GP500mb and the other being Z500mb. When I run d smth9(GP500mb.1 - Z500mb.2) I get a series of height anomaly maps for all 21 timesteps. I'm using the default template.grb2
template. </div>
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define anomaly=(GP500mb.1 - Z500mb.2)</div>
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g2grb anomaly GP_Var.grib d=2024102300:GP:500 mb:24 hour fcst</div>
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g2grb anomaly HGT_Var.grib d=2024102300:HGT:500 mb:24 hour fcst</div>
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For GP</div>
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ga-> g2grb anomaly GP_Var.grib d=2024102300:GP:500 mb:6 hour fcst</div>
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dlon=0.25 nx = 1441 lon0 = 0</div>
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Y is varying Lat = -90 to 90 Y = 1 to 721</div>
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dlat=0.25 ny = 721 lat0 = -90</div>
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new grads found undef=-999000000.000000</div>
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making template file</div>
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! /home/rm11714/wgrib2 /Archive/grib/template.grb2 -d 1 -lola 0:1441:0.25 -90:721:0.25 GP_Var.grib.template grib</div>
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1:0:d=2009080100:var discipline=0 master_table=2 parmcat=255 parm=255:no_level:-2147483647 missing fcst:</div>
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opening fwrite GP_Var.grib.tmp</div>
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going to display anomaly</div>
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result is Wrote 1038961 of 1038961 elements to GP_Var.grib.tmp as Sequential Big_Endian</div>
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metadata = 1:0:d=2024102300:GP:500 mb:6 hour fcst:</div>
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! /home/rm11714/wgrib2 GP_Var.grib.template -import_ieee GP_Var.grib.tmp -set_metadata GP_Var.grib.inv -undefine_val -999000000.000000 -grib_out GP_Var.grib</div>
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1:0:d=2024102300:GP:500 mb:6 hour fcst:</div>
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!rm GP_Var.grib.tmp GP_Var.grib.inv</div>
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!rm GP_Var.grib.template</div>
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For HGT</div>
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ga-> g2grb anomaly HGT_Var.grib d=2024102300:HGT:500 mb:6 hour fcst</div>
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dlon=0.25 nx = 1441 lon0 = 0</div>
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Y is varying Lat = -90 to 90 Y = 1 to 721</div>
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dlat=0.25 ny = 721 lat0 = -90</div>
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new grads found undef=-999000000.000000</div>
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making template file</div>
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! /home/rm11714/wgrib2 /Archive/grib/template.grb2 -d 1 -lola 0:1441:0.25 -90:721:0.25 HGT_Var.grib.template grib</div>
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1:0:d=2009080100:var discipline=0 master_table=2 parmcat=255 parm=255:no_level:-2147483647 missing fcst:</div>
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opening fwrite HGT_Var.grib.tmp</div>
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going to display anomaly</div>
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result is Wrote 1038961 of 1038961 elements to HGT_Var.grib.tmp as Sequential Big_Endian</div>
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metadata = 1:0:d=2024102300:HGT:500 mb:6 hour fcst:</div>
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! /home/rm11714/wgrib2 HGT_Var.grib.template -import_ieee HGT_Var.grib.tmp -set_metadata HGT_Var.grib.inv -undefine_val -999000000.000000 -grib_out HGT_Var.grib</div>
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1:0:d=2024102300:HGT:500 mb:6 hour fcst:</div>
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!rm HGT_Var.grib.tmp HGT_Var.grib.inv</div>
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!rm HGT_Var.grib.template</div>
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Thanks for the look</div>
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Rob</div>
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